390972386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{77359}}^1$

素因数の和:77406

約数の個数: 24

約数和(自身を含む): 707379840

約数和(自身を除く): 316407454

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 77359, 154718, 541513, 1083026, 1469821, 2939642, 10288747, 20577494, 27926599, 55853198, 195486193, 390972386]

約数ペア:

[(1, 390972386), (2, 195486193), (7, 55853198), (14, 27926599), (19, 20577494), (38, 10288747), (133, 2939642), (266, 1469821), (361, 1083026), (722, 541513), (2527, 154718), (5054, 77359)]